Home / 14,218.21-21,318.18-5,903.97

Finding the Fourth Proportional to 14,218.21, 21,318.18 and 5,903.97

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Solution

The fourth proportional to 14,218.21, 21,318.18 and 5,903.97 is: 8,852.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,218.21 : 21,318.18 = 5,903.97 : x
  2. Step 2: Convert to fraction form
    14,218.21/21,318.18 = 5,903.97/x
  3. Step 3: Cross multiply
    14,218.21x = 21,318.18 × 5,903.97
  4. Step 4: Simplify right side
    14,218.21x = 125,861,895.17
  5. Step 5: Solve for x
    x = 125,861,895.17/14,218.21
  6. Step 6: Final answer
    x = 8,852.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.